// div区域滚动
function isPassive() {
	var supportsPassiveOption = false;
	try {
		addEventListener("test", null, Object.defineProperty({}, 'passive', {
			get: function() {
				supportsPassiveOption = true;
			}
		}));
	} catch(e) {}
	return supportsPassiveOption;
}

var myScroll;

function loaded() {
	myScroll = new iScroll('wrapper', {
		vScrollbar:false,
		mouseWheel: true,
		checkDOMChanges: true,
	});
}

document.addEventListener('touchmove', function(e) {
	e.preventDefault();
}, isPassive() ? {
	capture: false,
	passive: false
} : false);